Table 1 Correlations of patient characteristics with type of intervention by VATS
Characteristics | N (%) | Segmentectomy N = 240 | Lobectomy N = 450 | P |
|---|---|---|---|---|
Center | ||||
1 | 432 (62.6) | 143 (59.6) | 289 (64.2) | 0.23 |
2 | 258 (37.4) | 97 (40.4) | 161 (35.8) | |
Gender, man | 375 (54.3) | 116 (48.3) | 259 (57.6) | 0.02 |
Age | ||||
21–59 | 168 (24.3) | 59 (24.6) | 109 (24.2) | 0.96 |
60–69 | 248 (35.9) | 89 (37.1) | 159 (35.3) | |
70–79 | 215 (31.2) | 72 (30.0) | 143 (31.8) | |
80–90 | 59 (8.6) | 20 (8.3) | 39 (8.7) | |
ASA score | ||||
1 | 6 (0.9) | 2 (0.8) | 4 (0.9) | 0.77 |
2 | 377 (54.6) | 134 (56.1) | 243 (54.4) | |
3 | 295 (42.8) | 99 (41.4) | 196 (43.8) | |
4 | 8 (1.2) | 4 (1.7) | 4 (0.9) | |
BMI (mg/kg2) | ||||
14.5–18.4 | 46 (6.7) | 17 (7.1) | 29 (6.5) | 0.46 |
18.5–24.9 | 305 (44.2) | 101 (42.2) | 204 (45.7) | |
25–29.9 | 223 (32.3) | 86 (36.1) | 137 (30.7) | |
30.0–57.0 | 110 (15.9) | 34 (14.3) | 76 (17.0) | |
Active smoker | 293 (42.5) | 91 (37.9) | 202 (45.0) | 0.07 |
PY, mean (SD) | 35.4 (30) | 34.2 (29.6) | 36.1 (30.2) | 0.46 |
Arterial hypertension | 345 (48.6) | 121 (50.4) | 214 (47.6) | 0.47 |
Cardiopathy | 88 (12.8) | 26 (10.8) | 62 (13.8) | 0.27 |
Diabetes | 102 (14.8) | 31 (12.9) | 71 (15.8) | 0.30 |
COPD | 259 (37.5) | 99 (41.3) | 160 (35.6) | 0.14 |
History of cancer | 229 (33.2) | 93 (38.8) | 136 (30.2) | 0.02 |
FEV1 (%), 28 missing | ||||
24–59 | 53 (8.0) | 21 (9.1) | 32 (7.4) | 0.42 |
60–79 | 169 (25.5) | 64 (27.7) | 105 (24.4) | |
80–170 | 440 (66.5) | 146 (63.2) | 294 (68.2) | |
DLCO (%), 54 missing | ||||
26–60 | 125 (19.7) | 49 (22.3) | 76 (18.3) | 0.48 |
61–80 | 238 (37.4) | 79 (35.9) | 159 (38.2) | |
81–154 | 273 (42.9) | 92 (41.8) | 181 (43.5) | |
Indication | ||||
Lung cancer (primary) | 596 (86.4) | 186 (77.5) | 410 (91.1) | < 0.001 |
Metastasis | 40 (5.8) | 27 (11.3) | 13 (2.9) | |
Benign lesion | 27 (3.9) | 18 (7.5) | 9 (2.0) | |
Emphysema | 5 (0.7) | 0 (0) | 5 (1.1) | |
Infection | 22 (3.2) | 9 (3.8) | 13 (2.9) | |
Side, right | 375 (54.3) | 89 (37.1) | 286 (63.6) | < 0.001 |
Location (lobe) | ||||
Upper right | 198 (28.7) | 41 (17.1) | 157 (34.9) | < 0.001 |
Middle right | 38 (5.5) | 2 (0.8) | 36 (8.0) | |
Lower right | 128 (18.6) | 46 (19.2) | 82 (18.2) | |
2 right lobes | 11 (1.6) | 0 (0) | 11 (2.4) | |
Upper left | 180 (26.1) | 76 (31.7) | 104 (23.1) | |
Lower left | 135 (19.6) | 75 (31.3) | 60 (13.3) | |
SLND | 614 (89.0) | 203 (84.6) | 411 (91.3) | 0.01 |